OpenTechnical

OT-2026-000101026

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000101026) never changes.

Identity and time

Publication numberOT-2026-000101026 · never reused
Internal UUID01a0aea3-c377-7223-a043-d14297e84c7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101026
StatusPUBLIC

Content hashes

Canonical text979f42f7ecc7f3d565314f11c4b81ee311311768db6e1a4886879802130d93fa
Markdownae13e1b2097f5092f93da3b4c53c2ef6b9a056c9152bf393501fcc4cbd6b57d6
PDF
Publication page0056301e87038c19ceede63f6cd1265ba2787c6858130f218c9f6304f5356da4
Manifest21ba2e82756f9d3129926dcb8d8460e41f97c3e7494e35b25e5b2e1bd62c3d67

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturezJg55h5lK0NKLVpkSPFJLy6JV95mQ72xUZIG3WMtRMsN9SUGYs6lBFMmdUFzwbZkTNbGOU8FcgZOY5t5VLPGAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:37.956713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101026
observed 0056301e87038c19ceede63f6cd1265b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.938232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101026/manifest.json
observed 21ba2e82756f9d3129926dcb8d8460e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.920538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101026/publication.md
observed ae13e1b2097f5092f93da3b4c53c2ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.902796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101026/publication.txt
observed 979f42f7ecc7f3d565314f11c4b81ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.